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BATERY DRAIN 

 

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 Post subject: BATERY DRAIN
Posted: Wed Apr 30, 2008 10:00 am 
Tyre Shredder
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Ride: ED, EB11, 351 XF

Location: christchurch
New Zealand

When i leave my EBII over night the battery drains for some reason and are unsure how to sorce it of a have a car alarm installed but the battery still goes flat even if the alarm is off i have resorted to disconnecting the battery at night but this disables the alarm system


help please
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Posted: Wed Apr 30, 2008 10:07 am 
Smokin em up
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Could be the diode in the altenator, power leaking back to earth thru the altenator etc.,
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Posted: Wed Apr 30, 2008 11:45 am 
Getting Side Ways
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pull off one of ur battery leads and place an ampmeter in series

start pulling fuses till it reads zero - this will isolate it to a general area then start disconnecting individual components till u source the drain


could be that just ur battery is fuked and the "always on" stuff (clock/alarm/etc) are enuff to flatten the battery overnite
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Posted: Wed Apr 30, 2008 11:54 am 
Stock as a Rock
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WA, Australia

The earliest wiring diagrams I have are EF. This had a bunch of fuses near the battery - try each of these until you find the one leaking the power, then its just a matter of following the wires cabin fuses etc. In the EF the fuse labelled MAIN will isolate the alternator to check waht Eaglaus suggests.
If you don't have a wiring diagram try praying.

Cheers,
C
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Posted: Wed Apr 30, 2008 1:10 pm 
Technical Contributor
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boot light?
glove box?

turning the alarm off? or completely isolating it from the battery?

undo all consumables until the load has gone,

this is where a clamp meter comes in handy

 

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Posted: Wed Apr 30, 2008 2:44 pm 
Getting Side Ways
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Location: adelaide
SA, Australia

i personally would check ur battery and charging system first

most battery places will do a free battery load test
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